AccessibleViewForwarder.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
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#include <AccessibleViewForwarder.hxx>
#include <svx/svdpntv.hxx>
#include <vcl/window.hxx>
#include <svx/sdrpaintwindow.hxx>
#include <osl/diagnose.h>
 
namespace accessibility
{
AccessibleViewForwarder::AccessibleViewForwarder(SdrPaintView* pView, const OutputDevice& rDevice)
    : mpView(pView)
    , mnWindowId(0)
{
    // Search the output device to determine its id.
    for (sal_uInt32 a(0); a < mpView->PaintWindowCount(); a++)
    {
        SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(a);
        OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
 
        if (&rOutDev == &rDevice)
        {
            mnWindowId = static_cast<sal_uInt16>(a);
            break;
        }
    }
}
 
AccessibleViewForwarder::~AccessibleViewForwarder()
{
    // empty
}
 
::tools::Rectangle AccessibleViewForwarder::GetVisibleArea() const
{
    ::tools::Rectangle aVisibleArea;
 
    if (static_cast<sal_uInt32>(mnWindowId) < mpView->PaintWindowCount())
    {
        SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(static_cast<sal_uInt32>(mnWindowId));
        aVisibleArea = pPaintWindow->GetVisibleArea();
    }
 
    return aVisibleArea;
}
 
Point AccessibleViewForwarder::LogicToPixel(const Point& rPoint) const
{
    OSL_ASSERT(mpView != nullptr);
    if (static_cast<sal_uInt32>(mnWindowId) < mpView->PaintWindowCount())
    {
        SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(static_cast<sal_uInt32>(mnWindowId));
        OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
        ::tools::Rectangle aBBox(rOutDev.GetOwnerWindow()->GetWindowExtentsAbsolute());
        return rOutDev.LogicToPixel(rPoint) + aBBox.TopLeft();
    }
    else
        return Point();
}
 
Size AccessibleViewForwarder::LogicToPixel(const Size& rSize) const
{
    OSL_ASSERT(mpView != nullptr);
    if (static_cast<sal_uInt32>(mnWindowId) < mpView->PaintWindowCount())
    {
        SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(static_cast<sal_uInt32>(mnWindowId));
        OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
        return rOutDev.LogicToPixel(rSize);
    }
    else
        return Size();
}
 
} // end of namespace accessibility
 
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